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Python Driver.ptr_type方法代碼示例

本文整理匯總了Python中django.contrib.gis.gdal.driver.Driver.ptr_type方法的典型用法代碼示例。如果您正苦於以下問題:Python Driver.ptr_type方法的具體用法?Python Driver.ptr_type怎麽用?Python Driver.ptr_type使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在django.contrib.gis.gdal.driver.Driver的用法示例。


在下文中一共展示了Driver.ptr_type方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: __init__

# 需要導入模塊: from django.contrib.gis.gdal.driver import Driver [as 別名]
# 或者: from django.contrib.gis.gdal.driver.Driver import ptr_type [as 別名]
def __init__(self, ds_input, ds_driver=False, write=False, encoding='utf-8'):
        # The write flag.
        if write:
            self._write = 1
        else:
            self._write = 0
        # See also http://trac.osgeo.org/gdal/wiki/rfc23_ogr_unicode
        self.encoding = encoding

        Driver.ensure_registered()

        if isinstance(ds_input, six.string_types):
            # The data source driver is a void pointer.
            ds_driver = Driver.ptr_type()
            try:
                # OGROpen will auto-detect the data source type.
                ds = capi.open_ds(force_bytes(ds_input), self._write, byref(ds_driver))
            except GDALException:
                # Making the error message more clear rather than something
                # like "Invalid pointer returned from OGROpen".
                raise GDALException('Could not open the datasource at "%s"' % ds_input)
        elif isinstance(ds_input, self.ptr_type) and isinstance(ds_driver, Driver.ptr_type):
            ds = ds_input
        else:
            raise GDALException('Invalid data source input type: %s' % type(ds_input))

        if ds:
            self.ptr = ds
            self.driver = Driver(ds_driver)
        else:
            # Raise an exception if the returned pointer is NULL
            raise GDALException('Invalid data source file "%s"' % ds_input) 
開發者ID:ComputerSocietyUNB,項目名稱:CodingDojo,代碼行數:34,代碼來源:datasource.py

示例2: __init__

# 需要導入模塊: from django.contrib.gis.gdal.driver import Driver [as 別名]
# 或者: from django.contrib.gis.gdal.driver.Driver import ptr_type [as 別名]
def __init__(self, ds_input, ds_driver=False, write=False, encoding='utf-8'):
        # The write flag.
        if write:
            self._write = 1
        else:
            self._write = 0
        # See also http://trac.osgeo.org/gdal/wiki/rfc23_ogr_unicode
        self.encoding = encoding

        # Registering all the drivers, this needs to be done
        #  _before_ we try to open up a data source.
        if not capi.get_driver_count():
            capi.register_all()

        if isinstance(ds_input, six.string_types):
            # The data source driver is a void pointer.
            ds_driver = Driver.ptr_type()
            try:
                # OGROpen will auto-detect the data source type.
                ds = capi.open_ds(force_bytes(ds_input), self._write, byref(ds_driver))
            except OGRException:
                # Making the error message more clear rather than something
                # like "Invalid pointer returned from OGROpen".
                raise OGRException('Could not open the datasource at "%s"' % ds_input)
        elif isinstance(ds_input, self.ptr_type) and isinstance(ds_driver, Driver.ptr_type):
            ds = ds_input
        else:
            raise OGRException('Invalid data source input type: %s' % type(ds_input))

        if bool(ds):
            self.ptr = ds
            self.driver = Driver(ds_driver)
        else:
            # Raise an exception if the returned pointer is NULL
            raise OGRException('Invalid data source file "%s"' % ds_input) 
開發者ID:VirtualPlants,項目名稱:tissuelab,代碼行數:37,代碼來源:datasource.py


注:本文中的django.contrib.gis.gdal.driver.Driver.ptr_type方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。